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No potential conflict of interest was reported by the author.
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Notes on contributors
Samson Tse
Samson Tse, Department of Social Work and Social Administration, Faculty of Social Sciences, The University of Hong Kong, Hong Kong.
Roger MK Ng
Roger MK Ng, Department of Psychiatry, Kowloon Hospital, Hong Kong.
Winnie Yuen
Winnie Yuen, Department of Counselling and Psychology, Hong Kong Shue Yan University, Hong Kong.